Error in 24.6s

Runtime

Time bar (total: 24.6s)Debug log

start351.0ms

Algorithm
intervals

setup82.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 57.9b

localize18.0ms

Local error

Found 3 expressions with local error:

6.3b
(- (exp x) (exp (- x)))
1.2b
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
0.0b
(+ (exp x) (exp (- x)))

rewrite404.0ms

Algorithm
rewrite-expression-head
Counts
3 → 94
Calls

3 calls. Slowest were:

373.0ms
(+ (exp x) (exp (- x)))
18.0ms
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
11.0ms
(- (exp x) (exp (- x)))

series210.0ms

Counts
3 → 9
Calls

3 calls. Slowest were:

98.0ms
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
70.0ms
(- (exp x) (exp (- x)))
42.0ms
(+ (exp x) (exp (- x)))

simplify2.6s

Counts
91 → 103
Calls

91 calls. Slowest were:

417.0ms
(- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x))))
300.0ms
(+ (* (exp x) (exp x)) (- (* (exp (- x)) (exp (- x))) (* (exp x) (exp (- x)))))
117.0ms
(- (pow (exp x) 3) (pow (exp (- x)) 3))

prune937.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0b

localize5.0ms

Local error

Found 1 expressions with local error:

0.0b
(tanh x)

rewrite1.0ms

Algorithm
rewrite-expression-head
Counts
1 → 12
Calls

1 calls. Slowest were:

0.0ms
(tanh x)

series91.0ms

Counts
1 → 3
Calls

1 calls. Slowest were:

91.0ms
(tanh x)

simplify187.0ms

Counts
3 → 15
Calls

3 calls. Slowest were:

120.0ms
(- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
44.0ms
(/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))
22.0ms
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))

prune122.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize19.0ms

Local error

Found 4 expressions with local error:

0.2b
(* 1/3 (pow x 3))
0.1b
(* 2/15 (pow x 5))
0.0b
(- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
0.0b
(+ x (* 2/15 (pow x 5)))

rewrite10.0ms

Algorithm
rewrite-expression-head
Counts
4 → 61
Calls

4 calls. Slowest were:

5.0ms
(- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
2.0ms
(* 1/3 (pow x 3))
1.0ms
(* 2/15 (pow x 5))

series154.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

74.0ms
(+ x (* 2/15 (pow x 5)))
33.0ms
(* 2/15 (pow x 5))
28.0ms
(- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))

simplify1.1s

Counts
28 → 73
Calls

28 calls. Slowest were:

193.0ms
(/ (exp (+ x (* 2/15 (pow x 5)))) (exp (* 1/3 (pow x 3))))
171.0ms
(fma 1 (+ x (* 2/15 (pow x 5))) (- (* (pow x 3) 1/3)))
149.0ms
(- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))

prune1.0s

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes21.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018359 +o rules:numerics
(FPCore (x)
  :name "Hyperbolic tangent"
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))

Backtrace

partition: contract violation expected: list? given: 0.0135 argument position: 2nd other arguments...: #<procedure:ordinary-value?>LC
partition/home/p92/racket/collects/racket/list.rkt5550
errors-score/data/pavpan/nightlies/herbie/develop/src/points.rkt3220
for-loop/data/pavpan/nightlies/herbie/develop/src/sandbox.rkt7512
(unnamed)/home/p92/racket/collects/racket/private/more-scheme.rkt26128
run/home/p92/racket/share/pkgs/profile-lib/main.rkt392
profile-thunk16/home/p92/racket/share/pkgs/profile-lib/main.rkt90
(unnamed)/home/p92/racket/collects/racket/private/more-scheme.rkt26128